<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_XmlRpc
 * @subpackage Client
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: ServerProxy.php 16541 2009-07-07 06:59:03Z bkarwin $
 */


/**
 * The namespace decorator enables object chaining to permit
 * calling XML-RPC namespaced functions like "foo.bar.baz()"
 * as "$remote->foo->bar->baz()".
 *
 * @category   Zend
 * @package    Zend_XmlRpc
 * @subpackage Client
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_XmlRpc_Client_ServerProxy
{
	/**
	 * @var Zend_XmlRpc_Client
	 */
	private $_client = null;

	/**
	 * @var string
	 */
	private $_namespace = '';


	/**
	 * @var array of Zend_XmlRpc_Client_ServerProxy
	 */
	private $_cache = array();


	/**
	 * Class constructor
	 *
	 * @param string             $namespace
	 * @param Zend_XmlRpc_Client $client
	 */
	public function __construct($client, $namespace = '')
	{
		$this->_namespace = $namespace;
		$this->_client    = $client;
	}


	/**
	 * Get the next successive namespace
	 *
	 * @param string $name
	 * @return Zend_XmlRpc_Client_ServerProxy
	 */
	public function __get($namespace)
	{
		$namespace = ltrim("$this->_namespace.$namespace", '.');
		if (!isset($this->_cache[$namespace])) {
			$this->_cache[$namespace] = new $this($this->_client, $namespace);
		}
		return $this->_cache[$namespace];
	}


	/**
	 * Call a method in this namespace.
	 *
	 * @param  string $methodN
	 * @param  array $args
	 * @return mixed
	 */
	public function __call($method, $args)
	{
		$method = ltrim("$this->_namespace.$method", '.');
		return $this->_client->call($method, $args);
	}
}
